Borage Blue

CSS

:root {
  --borage-blue: #5566cc;
  --borage-blue-rgb: 85 102 204;
  --borage-blue-oklch: oklch(0.55 0.158 273);
}

.element {
  color: var(--borage-blue);
  background-color: hsl(231 54% 57%);
  border-color: oklch(0.55 0.158 273);
}

Tailwind CSS v4

@theme {
  --color-borage-blue: #5566cc;
  --color-borage-blue-50: #e7f3ff;
  --color-borage-blue-100: #d8e5ff;
  --color-borage-blue-200: #c0cfff;
  --color-borage-blue-300: #a0b0ff;
  --color-borage-blue-400: #8096fb;
  --color-borage-blue-500: #6679ed;
  --color-borage-blue-600: #5667c8;
  --color-borage-blue-700: #4553a1;
  --color-borage-blue-800: #2f3d78;
  --color-borage-blue-900: #202a55;
  --color-borage-blue-950: #101739;
}

SCSS

$borage-blue: #5566cc;
$borage-blue-rgb: 85, 102, 204;
$borage-blue-light: mix(#fff, $borage-blue, 20%);
$borage-blue-dark: mix(#000, $borage-blue, 20%);

.element {
  color: $borage-blue;
  box-shadow: 0 0 0 2px rgba($borage-blue, 0.35);
}